remium Quality Wired Earbuds Headphones Headsets for Apple iPhone 6 7 8 X. Condition is New. Shipped with USPS First Class Package. How to connect:  ·         1. Plug in the earphones to your iPhone. ·         2. Go to Settings > Bluetooth (turn on) > Select "Earphone or Lightning"  ·         3. If you want to link another iPhone, you must disconnect the Bluetooth link from the original iPhone first and plug the new iPhone then do the step 2 on the new iPhone. (YOU ONLY HAVE TO DO THIS AT THE FIRST TIME FOR IPHONE 7/8,7/8+,X/XS/XR,XS-MAX) Product information: o    Bluetooth Version: 5.0 o    Frequency: 2.4Ghz o    Adopt the advanced CVC6.0 active noise-cancellation o    Built-in superior HD microphone provide clear and loud sound o    Voice prompts: Yes o    Microphone: Yes  o   Wired: Yes